Redirecting stdout to build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-atomic/simout
Redirecting stderr to build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-atomic/simerr
gem5 Simulator System.  http://gem5.org
gem5 is copyrighted software; use the --copyright option for details.

gem5 compiled Nov 15 2015 15:16:56
gem5 started Nov 15 2015 15:17:25
gem5 executing on ribera.cs.wisc.edu, pid 9884
command line: build/X86/gem5.opt -d build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-atomic -re /scratch/nilay/GEM5/gem5/tests/run.py build/X86/tests/opt/quick/se/00.hello/x86/linux/simple-atomic

Global frequency set at 1000000000000 ticks per second
info: Entering event queue @ 0.  Starting simulation...
Hello world!
Exiting @ tick 5615000 because target called exit()